Axillary artery - Branches 2
Third part Subscapular artery: The largest branch, which gives off the circumflex scapular and thoracodorsal arteries. Anterior circumflex humeral artery: Wraps around the surgical neck of the humerus. Posterior circumflex humeral artery: Also wraps around the surgical neck of the humerus, supplying blood to the shoulder joint and surrounding muscles.